| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Innovations in Secondary Education | 978-O-O3-O78715-7 (O-O3-O78715-7) | 1970 |
Gail Unruh · Gary M. Unruh · Gary M Unruh MSW LCSW · Gary Unruh · Georg Ch Unruh · Georg Ch von Unruh · Georg-Christoph von Unruh · Glenys G Unruh · Gregory Unruh